diff --git a/requirements.txt b/requirements.txt
index ebd2a79..c39b09c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,10 +6,10 @@ teachbooks # depends on jupyter-book
 docutils==0.17.1
 
 # now list the packages (and the respective url) you wish to download from the GitLab package registry
---extra-index-url https://gitlab.tudelft.nl/api/v4/projects/17983/packages/pypi/simple  #temporarily disable
+--extra-index-url https://gitlab.tudelft.nl/api/v4/projects/17983/packages/pypi/simple
 jupyterbook_patches ~= 0.1.4  #temporarily disable
---extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple  #temporarily disable
+--extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple
 sphinx-thebe ~= 0.9.9  #temporarily disable
 
 # lastly any packages you wish to download directly from a Git repository
-download_link_replacer @ git+https://gitlab.tudelft.nl/mude/sphinx-download-link-replacer #temporarily disable
+download_link_replacer @ git+https://gitlab.tudelft.nl/mude/sphinx-download-link-replacer